The Oxford Companion to English Literature describes Ramsey Campbell as "Britain's most respected living horror writer". He has been given more awards than any other writer in the field, including the Grand Master Award of the World Horror Convention, the Lifetime Achievement Award of the Horror Writers Association, the Living Legend Award of the International Horror Guild and the World Fantasy Lifetime Achievement Award. In 2015 he was made an Honorary Fellow of Liverpool John Moores University for outstanding services to literature.

David Annandale is the author of the Warhammer Horror novel The House of Night and Chain and the novella The Faith and the Flesh, which features in the portmanteau The Wicked and the Damned. His work for the Horus Heresy range includes the novels Ruinstorm and The Damnation of Pythos, and the Primarchs novels Roboute Guilliman: Lord of Ultramar and Vulkan: Lord of Drakes.

For Warhammer 40,000 he has written Warlord: Fury of the God-Machine, the Yarrick series, and several stories involving the Grey Knights, as well as titles for The Beast Arises and the Space Marine Battles series.

For Warhammer Age of Sigmar he has written Neferata: Mortarch of Blood and Neferata: The Dominion of Bones. David lectures at a Canadian university, on subjects ranging from English literature to horror films and video games.

Lisa Morton is a screenwriter, author, anthologist, and the editor of the acclaimed Ghosts: A Haunted History. She is a six-time winner of the Bram Stoker Award, a recipient of the Black Quill Award, and winner of the 2012 Grand Prize from the Halloween Book Festival. A lifelong Californian, she lives in North Hills, California.